Assessment of the effects of electromagnetic field modification on egg-laying hens in commercial flocks as indicated by production measures.

Autor: Keirs, Robert W.1, Peebles, Edgar D.2, Sarjeant, Walter J.3, Gerard, Patrick D.4, Terner, Jonathan A.5
Zdroj: American Journal of Veterinary Research. Aug2005, Vol. 68 Issue 8, p1425-1429. 5p. 2 Graphs.
Databáze: Academic Search Ultimate